CA2489037C - Overbased detergents for lubricating oil applications - Google Patents

Overbased detergents for lubricating oil applications Download PDF

Info

Publication number
CA2489037C
CA2489037C CA2489037A CA2489037A CA2489037C CA 2489037 C CA2489037 C CA 2489037C CA 2489037 A CA2489037 A CA 2489037A CA 2489037 A CA2489037 A CA 2489037A CA 2489037 C CA2489037 C CA 2489037C
Authority
CA
Canada
Prior art keywords
lubricating oil
alkaline
linear
alkyl
oil additive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA2489037A
Other languages
English (en)
French (fr)
Other versions
CA2489037A1 (en
Inventor
Jean-Louis Le Coent
Amedee Guellec
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chevron Oronite SAS
Original Assignee
Chevron Oronite SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chevron Oronite SAS filed Critical Chevron Oronite SAS
Publication of CA2489037A1 publication Critical patent/CA2489037A1/en
Application granted granted Critical
Publication of CA2489037C publication Critical patent/CA2489037C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
    • C10M159/12—Reaction products
    • C10M159/20—Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products
    • C10M159/24—Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products containing sulfonic radicals
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02—Hydroxy compounds
    • C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/028—Overbased salts thereof
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/26—Overbased carboxylic acid salts
    • C10M2207/262—Overbased carboxylic acid salts derived from hydroxy substituted aromatic acids, e.g. salicylates
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
    • C10M2215/24—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions having hydrocarbon substituents containing thirty or more carbon atoms, e.g. nitrogen derivatives of substituted succinic acid
    • C10M2215/28—Amides; Imides
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
    • C10M2219/046—Overbased sulfonic acid salts
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/08—Thiols; Sulfides; Polysulfides; Mercaptals
    • C10M2219/082—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
    • C10M2219/087—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Derivatives thereof, e.g. sulfurised phenols
    • C10M2219/089—Overbased salts
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C10M2223/045—Metal containing thio derivatives
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/02—Groups 1 or 11
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/04—Groups 2 or 12
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/04—Detergent property or dispersant property
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/08—Resistance to extreme temperature
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/52—Base number [TBN]
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/08—Hydraulic fluids, e.g. brake-fluids
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/25—Internal-combustion engines
    • C10N2040/252—Diesel engines
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/25—Internal-combustion engines
    • C10N2040/255—Gasoline engines
    • C10N2040/26—Two-strokes or two-cycle engines
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2060/00—Chemical after-treatment of the constituents of the lubricating composition
    • C10N2060/14—Chemical after-treatment of the constituents of the lubricating composition by boron or a compound containing boron

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)
CA2489037A 2003-12-22 2004-12-02 Overbased detergents for lubricating oil applications Expired - Fee Related CA2489037C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/745,125 US8618029B2 (en) 2003-12-22 2003-12-22 Overbased detergents for lubricating oil applications
US10/745,125 2003-12-22

Publications (2)

Publication Number Publication Date
CA2489037A1 CA2489037A1 (en) 2005-06-22
CA2489037C true CA2489037C (en) 2014-02-11

Family

ID=34552865

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2489037A Expired - Fee Related CA2489037C (en) 2003-12-22 2004-12-02 Overbased detergents for lubricating oil applications

Country Status (6)

Country Link
US (1) US8618029B2 (de)
EP (1) EP1548091B1 (de)
JP (1) JP4974458B2 (de)
CN (1) CN100410355C (de)
CA (1) CA2489037C (de)
SG (1) SG112966A1 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8586517B2 (en) * 2005-05-03 2013-11-19 Southwest Research Institute Mixed base phenates and sulfonates
US8507415B2 (en) * 2005-05-03 2013-08-13 Southwest Research Institute Lubricant oils and greases containing nanoparticle additives
US7956022B2 (en) * 2005-07-29 2011-06-07 Chevron Oronite Company Llc Low sulfur metal detergent-dispersants
US20070129263A1 (en) * 2005-12-02 2007-06-07 Chevron Oronite Company Llc Lubricating oil composition
CN101326272B (zh) * 2005-12-09 2012-10-10 科学与工业研究委员会 液压流体组合物及其制备方法
JP5097710B2 (ja) * 2005-12-09 2012-12-12 カウンシル オブ サイエンティフィック アンド インダストリアル リサーチ 2工程ガソリンエンジンのための潤滑油組成物及びその調製方法
US20070142239A1 (en) * 2005-12-20 2007-06-21 Chevron Oronite Company Llc Lubricating oil composition
US20100029525A1 (en) * 2008-07-31 2010-02-04 Chevron Oronite Company Llc Antiwear hydraulic fluid composition with useful emulsifying and rust prevention properties
DE102009034984A1 (de) * 2008-09-11 2010-07-01 Infineum International Ltd., Abingdon Detergens
US20100206260A1 (en) * 2009-02-18 2010-08-19 Chevron Oronite Company Llc Method for preventing exhaust valve seat recession
US8969273B2 (en) 2009-02-18 2015-03-03 Chevron Oronite Company Llc Lubricating oil compositions
US8841243B2 (en) 2010-03-31 2014-09-23 Chevron Oronite Company Llc Natural gas engine lubricating oil compositions
US20150247103A1 (en) * 2015-01-29 2015-09-03 Bestline International Research, Inc. Motor Oil Blend and Method for Reducing Wear on Steel and Eliminating ZDDP in Motor Oils by Modifying the Plastic Response of Steel
US8796192B2 (en) 2010-10-29 2014-08-05 Chevron Oronite Company Llc Natural gas engine lubricating oil compositions
CN102676272B (zh) * 2011-03-10 2014-07-16 中国石油天然气股份有限公司 一种船用润滑油复合剂
CN104560282B (zh) * 2013-10-25 2017-03-01 中国石油化工股份有限公司 磺酸盐、其制备方法及包含该磺酸盐的润滑脂及其制备方法
CN105829513B (zh) * 2013-11-06 2020-09-15 雪佛龙奥伦耐技术有限责任公司 船用柴油机汽缸润滑剂油组合物
KR20170078706A (ko) * 2014-11-06 2017-07-07 셰브런 오로나이트 테크놀로지 비.브이. 선박용 디젤 실린더 윤활유 조성물
SG11201703714XA (en) * 2014-11-06 2017-06-29 Chevron Oronite Tech Bv Marine diesel cylinder lubricant oil compositions
EP3112447B1 (de) * 2015-06-30 2018-03-28 Infineum International Limited Additivpaket für die schmierung eines schiffsmotors
CN106520264A (zh) * 2015-09-11 2017-03-22 中国石油天然气股份有限公司 混合型清净剂的制备方法
KR101755889B1 (ko) 2015-11-19 2017-07-19 현대자동차주식회사 연비 및 내구성이 향상된 디젤 엔진오일 조성물
CN109844078A (zh) * 2016-10-18 2019-06-04 雪佛龙奥伦耐技术有限责任公司 船用柴油机润滑油组合物
EP3759199B1 (de) * 2018-02-28 2025-08-06 Chevron Oronite Company LLC Schmierölzusammensetzungen mit funktionalen fluiden
CN111187426A (zh) * 2020-01-08 2020-05-22 蚌埠市皖辉新材料有限公司 一种利用废弃油制备黑油膏和棕油膏的方法
FR3158735A1 (fr) * 2024-01-25 2025-08-01 Totalenergies Onetech Composition d’additifs pour véhicules hybrides
FR3158736A1 (fr) * 2024-01-25 2025-08-01 Totalenergies Onetech Composition d’additifs pour véhicules hybrides

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL79427C (de) 1952-08-07
GB734622A (en) 1953-02-09 1955-08-03 Shell Refining & Marketing Co Continuous process for the preparation of hydroxy aromatic carboxylates
NL191708A (de) 1953-10-23
GB786167A (en) 1954-09-27 1957-11-13 Shell Res Ltd Improvements in or relating to the preparation of basic oil-soluble polyvalent metalsalts of organic acids and solutions of said basic salts in oils, and the resultingsalts
GB1146925A (en) 1967-06-28 1969-03-26 Shell Int Research Lubricant compositions
EP0778336A1 (de) 1995-12-08 1997-06-11 Cosmo Research Institute Erdöladditive mit ausgezeichnerter Lagerungs- und Wärmestabilität enthaltend ein erdalkalimetale Salz von einer aromatischen Hydroxycarbonsäure oder einer sulfurierten Mischung davon
GB9611318D0 (en) * 1996-05-31 1996-08-07 Exxon Chemical Patents Inc Overbased metal-containing detergents
GB9611428D0 (en) * 1996-05-31 1996-08-07 Exxon Chemical Patents Inc Overbased metal-containing detergents
GB9611316D0 (en) * 1996-05-31 1996-08-07 Exxon Chemical Patents Inc Overbased metal-containing detergents
GB9611317D0 (en) * 1996-05-31 1996-08-07 Exxon Chemical Patents Inc Overbased metal-containing detergents
GB9611424D0 (en) 1996-05-31 1996-08-07 Exxon Chemical Patents Inc Overbased metal-containing detergents
FR2752838B1 (fr) * 1996-09-05 1998-12-04 Chevron Chem Sa Melange d'alkyl-aryl-sulfonates de metaux alcalino-terreux, son application comme additif pour huile lubrifiante et procedes de preparation
DK1029030T3 (da) * 1997-10-21 2003-05-05 Solutia Inc Skumningsresistente carbonhydridoliesammensætninger
US5804537A (en) * 1997-11-21 1998-09-08 Exxon Chemical Patents, Inc. Crankcase lubricant compositions and method of improving engine deposit performance
CN1105165C (zh) 1997-11-28 2003-04-09 英菲诺姆美国公司 润滑油组合物
EP0933417B1 (de) * 1998-01-30 2003-04-02 Chevron Chemical S.A. Schwefel- und alkalimetalfreie Schmieröladditive
US6204226B1 (en) * 1999-06-03 2001-03-20 Chevron Oronite S.A. Mixture of alkyl-phenyl-sulfonates of alkaline earth metals, its application as an additive for lubricating oil, and methods of preparation
US6348438B1 (en) * 1999-06-03 2002-02-19 Chevron Oronite S.A. Production of high BN alkaline earth metal single-aromatic ring hydrocarbyl salicylate-carboxylate
EP1059301B1 (de) * 1999-06-10 2003-05-21 Chevron Chemical S.A. Erdalkalimetalsulfonate, ihre Verwendung als Schmierölzusatz und Herstellungsmethode
US6551965B2 (en) * 2000-02-14 2003-04-22 Chevron Oronite Company Llc Marine diesel engine lubricating oil composition having improved high temperature performance
GB0011115D0 (en) 2000-05-09 2000-06-28 Infineum Int Ltd Lubricating oil compositions
JP4778154B2 (ja) * 2001-03-15 2011-09-21 Jx日鉱日石エネルギー株式会社 内燃機関用潤滑油組成物
EP1401991A2 (de) * 2001-06-29 2004-03-31 The Lubrizol Corporation Schmieröl auf basis einer wasser-in-ol emulsion mit einer suspendierten base
EP1509586B1 (de) * 2002-05-24 2018-09-19 The Lubrizol Corporation Schmiermittel mit niedrigem aschegehalt für stationäre gasmotoren

Also Published As

Publication number Publication date
US8618029B2 (en) 2013-12-31
CN1644666A (zh) 2005-07-27
CA2489037A1 (en) 2005-06-22
EP1548091A2 (de) 2005-06-29
JP2005179684A (ja) 2005-07-07
EP1548091A3 (de) 2005-07-06
EP1548091B1 (de) 2012-11-07
SG112966A1 (en) 2005-07-28
US20050137098A1 (en) 2005-06-23
JP4974458B2 (ja) 2012-07-11
CN100410355C (zh) 2008-08-13

Similar Documents

Publication Publication Date Title
US8618029B2 (en) Overbased detergents for lubricating oil applications
CA2489056C (en) Lubricating oil composition containing an alkali metal detergent
CA2551978C (en) Overbased alkaline earth metal alkylhydroxybenzoates having low crude sediment
JP5086508B2 (ja) アルカリ土類アルキルアリールスルホネート、潤滑油用添加剤としてのその用途、および製造法
US6348438B1 (en) Production of high BN alkaline earth metal single-aromatic ring hydrocarbyl salicylate-carboxylate
CA2552274C (en) Overbased alkali metal alkylhydroxybenzoates having low crude sediment
CA2245632A1 (en) Detergent containing lithium metal having improved dispersancy and deposit control
CA2276892C (en) Production of high bn alkaline earth metal single-aromatic ring hydrocarbyl salicylate-carboxylate
JP2015500393A (ja) ディーゼルエンジンオイル
US6159912A (en) Low viscosity, chloride-free, low overbased alkyl-aryl-sulfonate, its application as an additive for lubricating oil, and methods of preparation
US20030195126A1 (en) Carboxylated detergent-dispersant-containing compositions having improved properties in lubricating oils
US6204226B1 (en) Mixture of alkyl-phenyl-sulfonates of alkaline earth metals, its application as an additive for lubricating oil, and methods of preparation
US9353327B2 (en) Diesel engine oils
CA2274926A1 (en) Mixture of alkyl-phenyl-sulfonates of alkaline earth metals, its application as an additive for lubricating oil, and methods of preparation
HK1020065A (en) Normal and overbased lithium salts of substituted hydrocarbaryls as detergents

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20201202